Message ID | e06c1536f1bc6d34df5a683a7555d711051cb8d8.1601658176.git.thomas.lendacky@amd.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <SRS0=ns5b=DJ=vger.kernel.org=kvm-owner@kernel.org> Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D5A2A139A for <patchwork-kvm@patchwork.kernel.org>; Fri, 2 Oct 2020 17:05:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B4D97208A9 for <patchwork-kvm@patchwork.kernel.org>; Fri, 2 Oct 2020 17:05:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amdcloud.onmicrosoft.com header.i=@amdcloud.onmicrosoft.com header.b="GQg9HH6/" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388364AbgJBRE4 (ORCPT <rfc822;patchwork-kvm@patchwork.kernel.org>); Fri, 2 Oct 2020 13:04:56 -0400 Received: from mail-eopbgr760073.outbound.protection.outlook.com ([40.107.76.73]:5358 "EHLO NAM02-CY1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726017AbgJBREw (ORCPT <rfc822;kvm@vger.kernel.org>); Fri, 2 Oct 2020 13:04:52 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=BD0BlrBuidbqVushDdDaq07x/x+OGVE/JwxU+ybVzHWu8FI8+sJq3yGGS4e14F2qrHMwc8eEAB3zY2z4VqOqvggbdIsq5GpHCso8H2r7I2s7KQ/vmr30BCr1P2X97MsdLvnzfT2UAaRKyhNLsJXEJRzjHtLQsNnd9RYz0UvaM4ZdST4uKr+1pJpbp5evULNl0xSLb/NQnJo+EbRcbl0xw+UJq2bHHWGIna9mf1egouZ1Yzp918Mzqi26KCAO+KaLELskz+nrx45XRafCJggQxot6Yd3OaQckvOLe/KKxBL5Zra7iUlG99ObWjydGL+w9uF0E+KYnFZiZeVIFpZ6e0w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=XNn3jaew8XO0L6no39bfs+U3xXbIJZEge8BMcwA5xaA=; b=T+XW7NHkjPmpVuYr/hhS5ETgzmxDTV3WvKDJDnCqhDSeGtPXf2p+82sjUnyc5WwKayHJ3h5652xjnQarsLvoryWHUoZdgX6Q0tQJUA9kRxy3uPmGf6pvftmvrlZJW1NrF8sgmN3pkl4GZ+zPNo6AYSDwomF8olADS3z3WlRvGqB240S07UxEV646SEL7LpcqrJA5r5luYagpPuY+x4ErhBEnVtyzjDtG/ji5U6PtB2GVUTpqT6ZFn3d/u9FvA1YyrkvXnvzPWoZ4HUCVQ3LQLCyj+oNyJpjd11hQVFYgylfdOY7mhfaM7dzE2AA8XQmum423xIgNC0QijyrHUCB8AA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=amd.com; dmarc=pass action=none header.from=amd.com; dkim=pass header.d=amd.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amdcloud.onmicrosoft.com; s=selector2-amdcloud-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=XNn3jaew8XO0L6no39bfs+U3xXbIJZEge8BMcwA5xaA=; b=GQg9HH6/myNIlMHvUU8F0FPtz95PvzM0B/SivkiDUmERmowd+gTeBO5YEs+sFrHhTXykgOyCdaHAwWrMhu+K3bBQgDI30tmF7bf6+GzxyllL7kV+5bD4f2hOy0iE+2u8avETplrob3Shu4W2Ud6cIo8OqxQAchzp1THHCXeg38I= Authentication-Results: vger.kernel.org; dkim=none (message not signed) header.d=none;vger.kernel.org; dmarc=none action=none header.from=amd.com; Received: from DM5PR12MB1355.namprd12.prod.outlook.com (2603:10b6:3:6e::7) by DM5PR12MB1706.namprd12.prod.outlook.com (2603:10b6:3:10f::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3433.38; Fri, 2 Oct 2020 17:04:21 +0000 Received: from DM5PR12MB1355.namprd12.prod.outlook.com ([fe80::4d88:9239:2419:7348]) by DM5PR12MB1355.namprd12.prod.outlook.com ([fe80::4d88:9239:2419:7348%2]) with mapi id 15.20.3433.039; Fri, 2 Oct 2020 17:04:21 +0000 From: Tom Lendacky <thomas.lendacky@amd.com> To: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, x86@kernel.org Cc: Paolo Bonzini <pbonzini@redhat.com>, Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>, Sean Christopherson <sean.j.christopherson@intel.com>, Vitaly Kuznetsov <vkuznets@redhat.com>, Wanpeng Li <wanpengli@tencent.com>, Borislav Petkov <bp@alien8.de>, Ingo Molnar <mingo@redhat.com>, Thomas Gleixner <tglx@linutronix.de>, Brijesh Singh <brijesh.singh@amd.com> Subject: [RFC PATCH v2 08/33] KVM: SVM: Do not allow instruction emulation under SEV-ES Date: Fri, 2 Oct 2020 12:02:32 -0500 Message-Id: <e06c1536f1bc6d34df5a683a7555d711051cb8d8.1601658176.git.thomas.lendacky@amd.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <cover.1601658176.git.thomas.lendacky@amd.com> References: <cover.1601658176.git.thomas.lendacky@amd.com> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Originating-IP: [165.204.77.1] X-ClientProxiedBy: SN4PR0201CA0023.namprd02.prod.outlook.com (2603:10b6:803:2b::33) To DM5PR12MB1355.namprd12.prod.outlook.com (2603:10b6:3:6e::7) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from tlendack-t1.amd.com (165.204.77.1) by SN4PR0201CA0023.namprd02.prod.outlook.com (2603:10b6:803:2b::33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3433.32 via Frontend Transport; Fri, 2 Oct 2020 17:04:19 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: a1af74d0-1c2f-46ec-cfb8-08d866f53488 X-MS-TrafficTypeDiagnostic: DM5PR12MB1706: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: <DM5PR12MB1706E96B647533882494DB92EC310@DM5PR12MB1706.namprd12.prod.outlook.com> X-MS-Oob-TLC-OOBClassifiers: OLM:1360; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: bGrksvNLQs9Ojc5ltOzKOMMZkdrVoZBYYlbpxC5KXULnpmCmPKRduCr3sMgJYFlCp/wlz/Nb+l3T1+BKt0QRxxEvEnOiE45vyBwRxDg3ySGY5EM+pySxXHqu/ssMpH3uvry1EEbjM7OZ/6+y8lzM2sUEF+47HtBmVSmZgiWBIRyEaIpxwZfZBLtPfzj7cMYjQ793mmtKJGrvkXdCkbXVLrbXE2L3baXDZPPHKwDsLzjBr7dS9TnYcJKQ28TNa7jNX/guZQ1tFtBnrm86wTsj3OcLSh97anOruJPH7QKD0kvupyfr4+ETDb+wWww3kLhbIQzJTDHeaS9ZAJQuZzfv8A== X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DM5PR12MB1355.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(346002)(376002)(366004)(39860400002)(136003)(396003)(66556008)(4326008)(36756003)(66946007)(86362001)(2616005)(26005)(8676002)(5660300002)(83380400001)(6666004)(7696005)(8936002)(52116002)(2906002)(6486002)(478600001)(4744005)(316002)(54906003)(66476007)(186003)(956004)(7416002)(16526019);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: a1af74d0-1c2f-46ec-cfb8-08d866f53488 X-MS-Exchange-CrossTenant-AuthSource: DM5PR12MB1355.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Oct 2020 17:04:21.0375 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: xzY0mGuxJOr9tZq9VZHCC4CJAyW322NiYlv1r00zRWbr/Gk7/8CFzoFsDcg/QhcdXDT+jq1ed5BoKh4Of1TAOQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR12MB1706 Precedence: bulk List-ID: <kvm.vger.kernel.org> X-Mailing-List: kvm@vger.kernel.org |
Series |
SEV-ES hypervisor support
|
expand
|
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 5270735bbdd8..51041eb9758a 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -4201,6 +4201,12 @@ static bool svm_can_emulate_instruction(struct kvm_vcpu *vcpu, void *insn, int i bool smep, smap, is_user; unsigned long cr4; + /* + * When the guest is an SEV-ES guest, emulation is not possible. + */ + if (sev_es_guest(vcpu->kvm)) + return false; + /* * Detect and workaround Errata 1096 Fam_17h_00_0Fh. *